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We all are porous media

机译:我们都是多孔介质

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摘要

Today, the focus of physical scientists is shifting more to biology than ever before. Because there is no biological tissue that is not a porous medium, the porous media community should be very alert to this shift of attention. The impact that porous media mechanics had on geosciences in the past centuries, may very well be reiterated in the field of biology - probably in an amplified form. The characteristic pore size in most biological applications is close to the molecular level and hence below the Debye-Hueckel scale. Not only pressure gradients and concentration gradients, but electrical gradients as well are intimately linked to fluid flow, ion flow and deformation. To give a feeling for the subject, applications are covered in this presentation: blood perfusion, the skin barrier, the mechanosensory mechanics in bone and the swelling of tissues and cells.
机译:如今,物理科学家的关注点比以往任何时候都更多地转向生物学。因为没有没有不是多孔介质的生物组织,所以多孔介质社区应该非常注意这种转移。在过去的几个世纪中,多孔介质力学对地球科学的影响很可能在生物学领域得到重申-可能是放大的形式。在大多数生物学应用中,特征孔径接近分子水平,因此低于Debye-Hueckel规模。不仅压力梯度和浓度梯度,而且电梯度也与流体流,离子流和变形密切相关。为了使受试者有一种感觉,本演示文稿涵盖了以下应用:血液灌注,皮肤屏障,骨骼的机械感官机制以及组织和细胞的肿胀。

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